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| Real time clock module I2 C-BUS COMPATIBLE REAL TIME CLOCK MODULE * Builtin crystal unit. Adjustment free with 10pF external capacitor. * Small package (SOP 14-pin). * Three mode operations: internal crystal oscillation, external 50 Hz clock and event counter. * I C-Bus inter face compatible. * Builtin 240 x 8 bit S-RAM available (RTC8583). * Alarm and timer functions available. * Wide operating voltage range 2.5V to 6.0V. * Wide data hold voltage range 1.0V to 6.0V. * Low current consumption (RTC8593, 1.0A typical). 2 RTC-8583/8593 series Actual size Specifications (characteristics) Absolute Max. rating Item Supply voltage Input voltage Input current Output current Symbol VDD VIN Ii Io TSTG -55 Condition VDD-GND Min. -0.8 Max. +7.0 VDD+0.8 10 +125 V Unit The I 2 C-Bus is a trademark of Philips Electronics N.V. Terminal connection RTC-8583/8593 14 13 12 11 10 9 8 No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 8583 GND1 SCL SDA N.C GND N.C A0 OSC1 N.C N.C VDD N.C N.C INT 8593 8593SB N.C N.C SCL N.C SDA N.C N.C N.C GND N.C N.C N.C RESET N.C OSC1 RESET N.C GND N.C SDA VDD SCL N.C INT N.C VDD OSC1 INT N.C N.C N.C N.C mA C Storage temperature Operating range Item Operating voltage Data holding voltage Symbol VDD VCLK TOPR CG Condition Min. 2.5 1.0 -30 105% 6.0 +70 V C pF Max. Unit 1 23 45 6 7 RTC-8593SB 18 17 16 15 14 13 12 11 10 Operating temperature External capacitor Frequency characteristics Item Frequency tolerance Frequency temperature characteristics Frequency voltage characteristics Oscillation start-up time Symbol f/fo Top fv tOSC fa Condition Ta=25C, VDD=5V Ta=-10 to 70C, VDD=5V Max. A: 520 B: 550 +10 -120 Unit ppm 1 23 45 6 7 8 9 Ta=25C, VDD=2.0 to 6.0V Ta=25C, VDD=5V Ta=25C, VDD=5V 3 3 5 s ppm/year External dimensions RTC-8583/8593 (SOP 14-pin) (Unit: mm) Aging first year DC characteristics Item "H" input voltage "L" input voltage "L" output current Input leak current AO ______ Leak current Output current Leak current IL SDA Symbol VIH VIL IOL Condition -- Min. Typ. Max. Unit 0.3 V mA 1 A nA mA 10.10.2 3.1 3.20.1 0 to 10 0.6 -0.8 VOL=0.4V 3 RESET OSC1 VIN=VDD or GND 250 5.0 0.7VDD VDD+0.8 R8593 B E 607 6A 7.40.2 ___ ___ INT INT 0.05 min. IOL IL IDD0 IDD1 IDD2 IDD3 IDD1 IDD2 IDD3 VOL=0.4V VIN=VDD or GND fSCL=100 kHz VDD=5V, fSCL=0 Hz VDD=3V, fSCL=0 Hz VDD=2V, fSCL=0 Hz VDD=5V, fSCL=0 Hz VDD=3V, fSCL=0 Hz VDD=2V, fSCL=0 Hz 1 1 0.15 RTC-8593SB (SOP 18-pin) 200 10 3.5 2.0 3.0 1.2 1.0 50 15 10 15 10 8 A 11.40.2 2.0 max. 1.8 0 to 10 0.6 SCL 1 E 607 6A 8583 2 Current Consumption (non access) 3 1 8593 2 3 5.4 Source current (access) 7.80.2 R8593 B 0.05 min. 0.15 59 Real time clock module Register table Address 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 10 to FF Register name CNT 1/100SEC SEC MIN HOUR DAY MONTH TIMER ALARM A-1/100 A-SEC A-MIN A-HR A-DAY A-MON A-TIM 0 to 99 0 to 59 0 to 59 0 to 23 0 to 31 0 to 12 0 to 99 0 to FF 10A-TIM8 0 to 99 0 to 59 0 to 59 0 to 23 0 to 31 0 to 12 0 to 99 count bit 7 STOP 8/10 10S8 10MIN8 12/24 YEAR2 W4 10TIMER8 AIE A-8/10 10A-SEC8 10A-MIN8 A-12/24 -- -- 10A-TIM4 10A-TIM2 bit 6 HOLD 4/10 10S4 10MIN4 AM/PM YEAR1 W2 10TIMER4 TAIE A-4/10 10A-SEC4 10A-MIN4 A-AM/PM bit 5 MODE1 2/10 10S2 10MIN2 10HOUR2 10DAY2 W1 10TIMER2 AS1 A-2/10 10A-SEC2 10A-MIN2 10A-HR2 A-DAY2 bit 4 MODE2 1/10 10S1 10MIN1 10HOUR1 10DAY1 10MONTH1 10TIMER1 AS0 A-1/10 10A-SEC1 10A-MIN1 10A-HR1 A-DAY1 10A-MON1 10A-TIM1 bit 3 MASK 8/100 S8 MIN8 HOUR8 DAY8 MONTH8 TIMER8 TIE A-8/100 10A-SEC8 10A-MIN8 A-HR8 A-DAY8 10A-MON8 A-TIM8 bit 2 ALM 4/100 S4 MIN4 HOUR4 DAY4 MONTH4 TIMER4 TCP2 A-4/100 10A-SEC4 10A-MIN4 A-HR4 A-DAY4 10A-MON4 A-TIM4 bit 1 AF 2/100 S2 MIN2 HOUR2 DAY2 MONTH2 TIMER2 TCP1 A-2/100 10A-SEC2 10A-MIN2 A-HR2 A-DAY2 10A-MON2 A-TIM2 bit 0 TF 1/100 S1 MIN1 HOUR1 DAY1 MONTH1 TIMER1 TCP0 A-1/100 10A-SEC1 10A-MIN1 A-HR1 A-DAY1 10A-MON1 A-TIM1 User's RAM (RTC-8583 is available) Switching characteristics Item SCL clock frequency Spike tolerance on bus Bus free time Start condition set-up time Hold time SCL "L" time SCL "H" time SCL, SDA rise time SCL, SDA fall time Date set-up time Date hold time SCL low to data out valid Stop condition set-up time Event counter frequency Symbol fSCL tSW tBUF tSU; STA tHD; STA tLOW tHIGH tTLH tTHL tSU; DAT tHD; DAT tVD; DAT tSU; STO fi 250 -- 0 -- 4.0 -- 3.4 s -- 1.0 MHz ns 4.0 4.7 4.0 1.0 -- 0.3 -- s 4.7 Min. -- Max. 100 Unit KHz ns Timing chart Start Condition (s) t SU: STA SCL t SUF SDA t TLH t THL Bit 7 MSB (A7) t LOW t HIGH Bits (A6) 1/f SCL Protocol t HD: STA t SU: DAT t HD: DAT Protocol BITO LSB (R/W) ACK (A) STOP Condition (p) SCL SDA t VD: DAT t SU: STO Block diagram RTC-8583 32.768 KHz OSC1 Cg=10pF RTC-8593 Series 32.768 KHz OSC1 OSC Divider Cg=10pF OSC Divider INT VDD GND1.2 Power-ON RESET Control Logic Register & Counter INT VDD GND RESET RESET Control Logic Register & Counter AO SCL SDA I C-BUS Interface 2 Address Register RAM (8 x 240) SCL SDA I C-BUS Interface 2 Address Register 60 |
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